Historical clue formulations

• OK signals, of a sort — 2025-06-14
• Road Runner's sounds — 2023-09-15
• Toots — 2022-12-04
• Traffic signals — 2018-02-22
• Things that may help you get out of a jam? — 2015-03-11
• Gentle alarms — 2014-10-12
• Toots of a horn — 2013-02-25
• Urban cacophony — 2012-11-01
• Prompts on answering machines — 2010-09-15
• Toots — 2007-12-06
• Call-waiting alerts — 2007-12-01
• Taxi sounds — 2007-08-07
• Sonar sounds — 2002-11-18
• Sounds from R2-D2 — 2002-06-11
• Attention-getters — 2000-04-23
• Sounds from the hood — 1999-11-20
• Modern notifications — 1999-03-21
• Contacts, modern-style — 1998-03-15
• Medical alerts? — 1997-10-18
• Summons, in a way — 1996-10-23
• Pages — 1995-08-27
• Page noises — 1994-08-21
• Warning sounds — 1994-08-14
• Computer sounds — 1994-06-14